defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Physics Optics Diffraction

What is the wavelength range of visible light?

1
4 × 10-7m - 8 × 10-7m
2
4 × 10-6m - 8 × 10-8m
3
4 × 105m - 8 × 10-9m
4
4 × 1010m - 8 × 1010m  
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